5 ways opponents are challenging Obamacare

The fight over the Affordable Care Act is far from finished.The 2010 health insurance overhaul has survived a Supreme Court challenge and a presidential election, but opponents aren't giving up.Here's a look at five ways they continue to challenge the law.At least 23 states aren't expanding Medicaid.What's it about? The Affordable Care Act included money for states to expand Medicaid to more low-income adults, but the Supreme Court ruled that states could opt out.Who's opposing it? At least 23 states …